#include<iostream>
using namespace std;
class CRectangle
{
	int*width,*height;
public:
	CRectangle (int ,int );
	CRectangle();
	int area();
};
CRectangle::CRectangle(int a,int b)
{
	width=new int;
	height=new int;
	*width=a;
	*height=b;
}
CRectangle::CRectangle()
{
	delete width;
	delete height;
}
int CRectangle::area()
{
	return (*width**height);
}
int main ()
{
	CRectangle recta(3,4);
	cout<<"area a:"<<recta.area();
	return 0;
}
